73071236 has 24 divisors (see below), whose sum is σ = 154740096. Its totient is φ = 29473920.

The previous prime is 73071227. The next prime is 73071289. The reversal of 73071236 is 63217037.

It is a junction number, because it is equal to n+sod(n) for n = 73071199 and 73071208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76280 + ... + 77231.

It is an arithmetic number, because the mean of its divisors is an integer number (6447504).

Almost surely, 2^73071236 is an apocalyptic number.

It is an amenable number.

73071236 is an abundant number, since it is smaller than the sum of its proper divisors (81668860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73071236 is a wasteful number, since it uses less digits than its factorization.

73071236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153539 (or 153537 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 73071236 is about 8548.1715003853. The cubic root of 73071236 is about 418.0698203768.

The spelling of 73071236 in words is "seventy-three million, seventy-one thousand, two hundred thirty-six".